User guide

CS5480
DS980F3 59
6.6.64 Temperature (T) – Page 16, Address 27
Default = 0x00 0000
T contains results from the on-chip temperature measurement.
By default, T uses the Celsius scale, and is a two's complement value in the range of -128.0value128.0
(°C), with the binary point to the right of bit 16. Negative values are not used.
T can be rescaled by the application using the T
GAIN
and T
OFF
registers.
6.6.65 Total Active Power (P
SUM
) – Page 16, Address 29
Default = 0x00 0000
P
SUM
=P1
AVG
+P2
AVG
if MCFG[1:0] = 01
P
SUM
=P1
AVG
or P2
AVG
if MCFG[1:0] = 00
This is a two's complement value in the range of -1.0value1.0, with the binary point to the right of the MSB.
6.6.66 Total Apparent Power (S
SUM
) – Page 16, Address 30
Default = 0x00 0000
S
SUM
= S1+S2 if MCFG[1:0] = 01
S
SUM
= S1 or S2 if MCFG[1:0] = 00
This is an unsigned value in the range of 0 value1.0, with the binary point to the right of the MSB.
6.6.67 Total Reactive Power (Q
SUM
) – Page 16, Address 31
Default = 0x00 0000
Q
SUM
=Q1
AVG
+Q2
AVG
if MCFG[1:0] = 01
Q
SUM
=Q1
AVG
or Q2
AVG
if MCFG[1:0] = 00
This is a two's complement value in the range of -1.0value1.0, with the binary point to the right of the MSB.
MSB LSB
-(2
7
)2
6
2
5
2
4
2
3
2
2
2
1
2
0
.....
2
-10
2
-11
2
-12
2
-13
2
-14
2
-15
2
-16
MSB LSB
-(2
0
)2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
2
-7
.....
2
-17
2
-18
2
-19
2
-20
2
-21
2
-22
2
-23
MSB LSB
0
2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
2
-7
.....
2
-17
2
-18
2
-19
2
-20
2
-21
2
-22
2
-23
MSB LSB
-(2
0
)2
-1
2
-2
2
-3
2
-4
2
-5
2
-6
2
-7
.....
2
-17
2
-18
2
-19
2
-20
2
-21
2
-22
2
-23